# Restore problem: relation "theme\_fields" does not exist

**URL:** https://meta.discourse.org/t/restore-problem-relation-theme-fields-does-not-exist/95500
**Category:** Self-hosting
**Created:** [August 23, 2018, 6:32pm UTC](https://meta.discourse.org/t/restore-problem-relation-theme-fields-does-not-exist/95500 "2018-08-23T18:32:23Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![riking](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/riking/32/170938_2.png) [@riking](https://meta.discourse.org/u/riking)
#### Post date: [May 25, 2020, 5:08pm UTC](https://meta.discourse.org/t/restore-problem-relation-theme-fields-does-not-exist/95500/8 "2020-05-25T17:08:00Z")

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> [@adrelanos](#):
>
> Is it a legitimate approach to backup an outdated docker/postgres version and try to restore on an up to date docker/discourse installation?

Yes, this is supported.

> [@adrelanos](#):
>
> `ERROR: could not create unique index "index_incoming_referers_on_path_and_incoming_domain_id"`

→ [Corrupt indexes in PG12, how do I fix?](https://meta.discourse.org/t/corrupt-indexes-in-pg12-how-do-i-fix/152570)

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